Table 2

CASP scoring results

Reviewer	Study	Clear aim	Appropriate for qualitative research	Appropriate design	Appropriate recruitment strategy	Data collection	Relationship between researcher and participant	Ethical issues considered	Rigorous data analysis	Clear statement of findings
1	Ballinger et al25	Yes	Yes	Yes	Yes	Yes	No	Can’t tell	Yes	Yes
2	Ballinger et al25	Yes	Yes	Yes	Yes	Yes	No	Can’t tell	Yes	Yes
1	De Groot and Fagerström29	Yes	Yes	Yes	Yes	Yes	Can’t tell	Yes	Yes	Yes
2	De Groot and Fagerström29	Yes	Yes	Yes	Yes	Yes	Can’t tell	Yes	Yes	Yes
1	Dickinson et al18	Yes	Yes	Yes	Yes	Can’t tell	Can’t tell	Can’t tell	Yes	Yes
2	Dickinson et al18	Yes	Yes	Yes	Yes	Can’t tell	Can’t tell	Can’t tell	Yes	Yes
1	Evron et al16	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
2	Evron et al16	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
1	Haas and Haines26	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
2	Haas and Haines26	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
1	Hawley19	Yes	Yes	Yes	Can’t tell	Can’t tell	Can’t tell	Can’t tell	Yes	Yes
2	Hawley19	Yes	Yes	Yes	Can’t tell	Can’t tell	Can’t tell	Can’t tell	Yes	Yes
1	Hawley-Hague et al20	Yes	Yes	Yes	Yes	Yes	Can’t tell	Yes	Yes	Yes
3	Hawley-Hague et al20	Yes	Yes	Yes	Yes	Yes	Can’t tell	Yes	Yes	Yes
1	Liddle et al27	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
3	Liddle et al27	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
1	Moody et al28	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
3	Moody et al28	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
1	Peach et al21	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
3	Peach et al21	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
1	Robinson et al22	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
3	Robinson et al22	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
1	Stathi et al23	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
3	Stathi et al23	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
1	Vernon and Ross24	Yes	Yes	Yes	Yes	Yes	No	Yes	No	Yes
3	Vernon and Ross24	Yes	Yes	Yes	Yes	Yes	No	Yes	No	Yes
1	Wong et al17	Yes	Yes	Yes	Yes	Yes	No	Yes	No	Yes
3	Wong et al17	Yes	Yes	Yes	Yes	Yes	No	Yes	No	Yes
	% of yes’	100	100	100	92	85	15	77	85	100

CASP, Critical Appraisal Skills Program.